The number 7 in Hebrew is Zain, meaning sword, the letter associated with The Lovers. As such, 7 means choices, decisions, discrimination. 7 is a holy number. There are 7 days in the week and 7 Major Principles of Hermeticism. Seven is the combination of 3 and 4 and can represent unification and oneness.

\Zain\, n.
A horse of a dark color, neither gray nor white, and having
no spots. --Smart.

A person named Zain is usually set to accomplish big things in life. He is a ladies man and a very tall and muscular person, and a very smooth personality. Usually known for his forward fashion sense and always willing to go out on a limb for anyone. He is a soft-spoken individual who always puts his morals before anything else.

Noun: An extremely good looking, charming, witty, intelligent, and handsome man. Popularly acknowledged for being able to see through into the souls of women, and make even the most broken and emotionally damaged ones whole again. Also an individual highly regarded for his natural sexual prowess, and the ability to take even the most cold-hearted bitch to a peak of sexual satisfaction that even she had never fathomed.

My God! She caught herself such a Zain! That lucky bitch!

The only thing that can bring that goth bitch back to anything close to normal is a Zain.

Commissioner Gordon: We have a psychotic, homocidal bitch, a terrorist, and a mob of angry prostitutes with shotguns outside! Fuck Batman. We need a Zain.

An Egyptian name for a female meaning 'beauty.' Pretty quiet, but extremely modest and talented, as well as loyal and poetic. Zains live up to the name, yo.
Also very concerned with hair. Very, very concerned.
Look for zairia for a similar definition.